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  <title>获取主机名</title>
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  <div id="layout-content"><div id="function.gethostname" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">gethostname</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.3.0, PHP 7)</p><p class="refpurpose"><span class="refname">gethostname</span> &mdash; <span class="dc-title">获取主机名</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.gethostname-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>gethostname</strong></span>
    ( <span class="methodparam">void</span>
   ) : <span class="type">string</span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>gethostname()</strong></span> 可以获取本地机器的标准主机名。
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.gethostname-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回主机名称字符串，失败时返回 <strong><code>FALSE</code></strong>。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.gethostname-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-5487">
    <p><strong>Example #1 简单的 <span class="function"><strong>gethostname()</strong></span> 例子</strong></p>
    <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #0000BB">gethostname</span><span style="color: #007700">();&nbsp;</span><span style="color: #FF8000">//&nbsp;may&nbsp;output&nbsp;e.g,:&nbsp;sandie<br /><br />//&nbsp;Or,&nbsp;an&nbsp;option&nbsp;that&nbsp;also&nbsp;works&nbsp;before&nbsp;PHP&nbsp;5.3<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #0000BB">php_uname</span><span style="color: #007700">(</span><span style="color: #DD0000">'n'</span><span style="color: #007700">);&nbsp;</span><span style="color: #FF8000">//&nbsp;may&nbsp;output&nbsp;e.g,:&nbsp;sandie<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.gethostname-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="gethostbyname.html" class="function" rel="rdfs-seeAlso">gethostbyname()</a> - 返回主机名对应的 IPv4地址。</span></li>
    <li class="member"><span class="function"><a href="gethostbyaddr.html" class="function" rel="rdfs-seeAlso">gethostbyaddr()</a> - 获取指定的IP地址对应的主机名</span></li>
    <li class="member"><span class="function"><a href="php_uname.html" class="function" rel="rdfs-seeAlso">php_uname()</a> - 返回运行 PHP 的系统的有关信息</span></li>
   </ul>
  </p>
 </div>


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